<?php
function StrToNum($Str, $Check, $Magic)
{
    $Int32Unit = 4294967296;  // 2^32

    $length = strlen($Str);
    for ($i = 0; $i < $length; $i++) {
        $Check *= $Magic;     
        if ($Check >= $Int32Unit) {
            $Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
           
            $Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check;
        }
        $Check += ord($Str{$i}); 
    }
    return $Check;
}
function CheckHash($Hashnum)
{
    $CheckByte = 0;
    $Flag = 0;

    $HashStr = sprintf('%u', $Hashnum) ;
    $length = strlen($HashStr);
    
    for ($i = $length - 1;  $i >= 0;  $i --) {
        $Re = $HashStr{$i};
        if (1 === ($Flag % 2)) {              
            $Re += $Re;     
            $Re = (int)($Re / 10) + ($Re % 10);
        }
        $CheckByte += $Re;
        $Flag ++;    
    }

    $CheckByte %= 10;
    if (0 !== $CheckByte) {
        $CheckByte = 10 - $CheckByte;
        if (1 === ($Flag % 2) ) {
            if (1 === ($CheckByte % 2)) {
                $CheckByte += 9;
            }
            $CheckByte >>= 1;
        }
    }

    return '7'.$CheckByte.$HashStr;
}
function HashURL($String)
{
    $Check1 = StrToNum($String, 0x1505, 0x21);
    $Check2 = StrToNum($String, 0, 0x1003F);

    $Check1 >>= 2;     
    $Check1 = (($Check1 >> 4) & 0x3FFFFC0 ) | ($Check1 & 0x3F);
    $Check1 = (($Check1 >> 4) & 0x3FFC00 ) | ($Check1 & 0x3FF);
    $Check1 = (($Check1 >> 4) & 0x3C000 ) | ($Check1 & 0x3FFF);    
    
    $T1 = (((($Check1 & 0x3C0) << 4) | ($Check1 & 0x3C)) <<2 ) | ($Check2 & 0xF0F );
    $T2 = (((($Check1 & 0xFFFFC000) << 4) | ($Check1 & 0x3C00)) << 0xA) | ($Check2 & 0xF0F0000 );
    
    return ($T1 | $T2);
}
function getpagerank($url) {
    $query="http://toolbarqueries.google.com/search?client=navclient-auto&ch=".CheckHash(HashURL($url)). "&features=Rank&q=info:".$url."&num=100&filter=0";
    $data=file_get_contents($query);
    $pos = strpos($data, "Rank_");
    if($pos === false){} else{
        $pagerank = substr($data, $pos + 9);
        return $pagerank;
    }
    
    
}
if($_POST['urls'])
{
    ?><table border="1">
    <th>URL</th>
    <th>Pagerank</th>
    <?
    $urls=trim($_POST['urls']);
    $url=explode("\n",$urls);
    foreach($url as $url)
    {
        if($url)
        {
            $url=trim($url);
            $pagerank=getpagerank($url);
            ?>
            <tr><td><?php echo $url; ?></td><td><?php echo $pagerank; ?></td></tr>
            <?        
            flush();
        }                
    }
    ?></table><?
}
else
{
    ?><form action="" method="post">
    URLS:-<br /><textarea name="urls" cols="50" rows="10">http://www.google.com
http://www.yahootracer.com</textarea><br /><input type="submit" value="Check PR"/>
    </form>
    <?
}
?>